@misc{indiciae96c18f309765,
  title = {Geologic map of the Pilot Peak Quadrangle, Park County, Wyoming},
  author = {W. G. Pierce and W. H. Nelson and H.J. Prostka},
  year = {1973},
  doi = {10.3133/i816},
  url = {https://pubs.usgs.gov/publication/i816},
  note = {Source identifier: i816}
}